Attenuator riboswitch (Leader sequence) is made up of almost 140 nt which further can be divided into four Intra -complementary regions 

TLS Online TPP Program

#Id: 9413

#Unit 11. Evolution and Behavior

An individual without gonads will leave no genes to the next generation. Gonads and genitalia are called primary sexual traits.

Secondary sexual traits, which differ between the sexes but do not play a direct role in reproduction.

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#Id: 5678

#Unit 7. System Physiology – Animal

The K+ that enters hair cells via the mechanically-sensitive cation channels is recycled. In the cochlea, K+ eventually reaches the stria vascularis and is secreted back into the endolymph, completing the cycle

TLS Online TPP Program

#Id: 2593

#Unit 13. Methods in Biology

In case of hotstart PCR, After the reaction mixture is prepared, primers can pair to the single-stranded regions in a nonspecific manner. 

A more attractive alternative is to cover the reaction mixture with a plug of inert wax and place the critical reagent on top of this plug. 

TLS Online TPP Program

#Id: 6618

#Unit 7. System Physiology – Animal

TLS Online TPP Program

#Id: 9775

#Unit 6. System Physiology – Plant

Salicylic acid (SA) is a phenolic compound and derived from the phenylpropanoid pathway that accumulates to high levels as both free and glucoside conjugates in the vicinity of incompatible infection sites.